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  • 1 Post By cucubirds

Outside light versus greenhouse

This is a discussion on Outside light versus greenhouse within the General Orchid Culture forums, part of the Orchid Culture category; I have some plants that are currently in a greenhouse. With the spring season I ...

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  1. #1
    moniluhum is offline Senior Member
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    Default Outside light versus greenhouse

    I have some plants that are currently in a greenhouse. With the spring season I can now put them outside. My question is is it better to put the plants outside where they would get direct morning sun and then a little bit of evening sun, or leave them in greenhouse where they get sun from mid afternoon to end of day. I am talking about Catts, Dens, and Vandas for example.

  2. #2
    ksriramkumar is online now Senior Member
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    Would be to good to measure the actual light levels through out the day using a light meter as one hour intervals on both zones and move plants according to their requirement. for e.g Vandas can be moved where there is more light

  3. #3
    moniluhum is offline Senior Member
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    Without a doubt there is much more sun coming from the greenhouse in the early afternoon until the end of the day thah the direct morning sun. Temperatures are generally warmer and more humid in the greenhouse. I guess my question is which is better for an orchid which likes bright light?

  4. #4
    ksriramkumar is online now Senior Member
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    More Humidity + More Light == Happy Vandaceous Orchids. Dendrobium and Cattleya would depend but I would place them where there is more humidity

  5. #5
    chhenry is offline Junior Member
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    I read a previous post that it was not good to put Cattleyas under lights. Why? Is this true? Or just not under the same strenght as Phals? I just got a sunsystem set up, I want to do it correctly.

  6. #6
    cucubirds is offline Senior Member
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    Default

    hi chhenry,

    What do you mean "under light"?

    1) if you are referring to artificial light set up.
    Cattleya can still be grown under light but not same light intensity as phals. Light requirement for Phals & cattleya are really different. Phal requires low light level whereas Catt demands high light. You many need to use High-intensity-discharge light for catts. For phal just a simple set up of florescent tube will do.

    2)if you are referring to natural/direct sunlight
    Morning sunlight till 10:30-11 am is good enough for Phal. Catts can take more longer than that. But, if you are introducing them first time to direct sunlgiht, gradually move towards light sources as sudden exposure to direct sunlight may cause leaf burn.

    Morning sunlight is always better than strong afternoon sunlight.

    Hope this helps.

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